Let the friction be a/b Then – a/b×140/80 = 21/16 a/b×7/4 = 21/16 a/b = 3/4
Which type of bond is formed by the sharing of electrons?
Alkali metals have ______.
I. low melting points
II. low densities
What are diatoms?
The force of attraction between the particles of matter is maximum in______.
The common name of hydrogen peroxide is:
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
Which of the following is not a natural polymer?
The insecticide gammexane is chemically known as:
What is the primary cause of tides on Earth?
The process of gaining electrons is known as: